Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts [Abstract]

VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II

MICREL, INCORPORATED

VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2011, 2010, and 2009

(In thousands)

Description	Balance at Beginning of Year		Allowance Additions or (Reductions)			Returns and Price Adjustments			Bad  Debt Write-offs		Balance at End of  Year
Year Ended December 31, 2011
Allowances for OEM and Stocking Representative returns and price adjustments	$	995	$	2,359		$	(2,288	)	$	0	$	1,066
Allowances for unclaimed distributor price adjustments (1)		2,885		69,795			(72,511	)		0		169
Allowances for doubtful accounts		45		14			0			0		59
Total allowances	$	3,925	$	72,168		$	(74,799	)	$	0	$	1,294
Year Ended December 31, 2010
Allowances for OEM and Stocking Representative returns and price adjustments	$	1,272	$	2,164		$	(2,441	)	$	0	$	995
Allowances for unclaimed distributor price adjustments (1)		1,701		72,746			(71,562	)		0		2,885
Allowances for doubtful accounts		45		0			0			0		45
Total allowances	$	3,018	$	74,910		$	(74,003	)	$	0	$	3,925
Year Ended December 31, 2009
Allowances for OEM and Stocking Representative returns and price adjustments	$	1,284	$	2,718		$	(2,730	)	$	0	$	1,272
Allowances for unclaimed distributor price adjustments (1)		1,498		52,282			(52,079	)		0		1,701
Allowances for doubtful accounts		155		(110	)		0			0		45
Total allowances	$	2,937	$	54,890		$	(54,809	)	$	0	$	3,018

(1) The Company estimates and records an allowance for distributor price adjustments for which the specific resale transaction has been completed, but the price adjustment claim has not yet been received from the distributor and recorded by the Company. This allowance typically represents approximately one to three weeks of unclaimed price adjustments.